Yo Gokin Ki

A Taizanji technique featured in the series:

Baiken Kinbu’s Taizanji Kenpo style

Genyu Ken (幻幽拳, Phantasm Fist): A flesh ripping technique used by Baiken Kinbu in the second pilot chapter of Hokuto no Ken.

Yō Gōkin Ki (妖鋼筋鬼, Bewitching Steel Muscle Demon): A muscle hardening technique used by Baiken Kinbu.

Balcom Taizanji Kenpo style

Yō Gōkin Ki (妖鋼筋鬼, Bewitching Steel Muscle Demon): A muscle hardening technique used by Generallisimo Balcom (who was modeled after Baiken) in the anime series uses a similar technique in episode 21.

'Yōki Genyu Ken' (妖鬼幻幽拳, Bewitching Phantasm Fist): A technique used by Balcom against Shin in episode 21 of the TV series. The user's hands undulate until they become a deadly blur. The speed is such that it can create air currents sharp enough to cut flesh.